package cn.bone.web.interceptor;

import cn.bone.web.bean.Member;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Created by MD-01 on 2017/4/14.
 */
public class LoginInterceptor implements HandlerInterceptor {

    private Logger logger = LoggerFactory.getLogger("拦截器");
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {

        Object user = request.getSession().getAttribute("user");
        if(user==null){
            logger.info("没有用户信息,跳转到首页");
            response.sendRedirect("/login");
        }
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {

    }
}
